Expansion of forests in the European Arctic could result in the release of carbon dioxide

From the University of Exeter , terrible news: Carbon stored in Arctic tundra could be released into the atmosphere by new trees growing in the warmer region, exacerbating climate change,…

James Hansen's climate forecast of 1988: a whopping 150% wrong

From their Die kalte Sonne website, Professor Fritz Vahrenholt and Dr. Sebastian Lüning put up this guest Post by Prof. Jan-Erik Solheim (Oslo) on Hansen’s 1988 forecast, and show that…

Claim: Today's climate is more sensitive than that of the past

Press Release 12-107 Today’s Climate More Sensitive to Carbon Dioxide Than in Past 12 Million Years Geologic record shows evolution in Earth’s climate system The phytoplankton Emiliania huxleyi offers clues…

So Dinosaurs Could Fly ! – Part I

A look at diminishing atmospheric pressure Guest post by Andi Cockroft In an unrelated article of mine on Isostacy and Mean Sea Level posted here, I mentioned in passing a…

A Tale of Two Altitudes: how stratospheric temperature is de-coupled from the surface temperatures

On the battle between Arrhenius and Ångström. Story submitted by John Kehr, The Inconvenient Skeptic Any serious discussion about the Theory of Global Warming will eventually include the absorption band…

Shakun The Last, I Hope

Guest Post by Willis Eschenbach In three previous posts here, here, and here, I discussed problems with the paper by Shakun et al., “Global warming preceded by increasing carbon dioxide…

Did Shakun et al. really prove that CO2 preceded late glacial warming? [Part 1]

By Don J. Easterbrook, PhD. In a paper “Global warming preceded by increasing carbon dioxide concentrations during the last deglaciation”, Shakun et al.(Nature 2012) contend that rising temperature at the…

New EPA rule will block all new coal-electric generation

Guest post by Alec Rawls The upcoming rule: … will require any new power plant to emit no more than 1,000 pounds of carbon dioxide per megawatt of electricity produced.…

Another reason trees don't make good treemometers – new tree ring data bias discovered

[Note: My first post in which I had written commentary mysteriously lost all of its content, posting nothing but white space. This is some sort of internal wordpress error, but…

Letter to the editor: Carbon Lies

Letter to the Editor Watts Up With That? 11th March 2012 The Australian government’s plan to sell their un-saleable carbon tax has hit a snag – their pollsters have discovered…

City UHI makes spring bloom earlier

From the University of Maryland Center for Environmental Science, somebody finally gets it. We’ve changed our local climates significantly, and the plants have figured this out long ago. Mid-Atlantic suburbs…

The Skeptics Case

Who Are You Going To Believe – The Government Climate Scientists or The Data? By Dr David M.W. Evans (republished here with permission, PDF link below) We check the main…

Your tax dollars at work: an NCAR cartoon on steroid use in baseball and compared to climate change

From the video description: AtmosNews takes a lighthearted look at an unexpected analogy, explaining why some people call carbon dioxide (and the other greenhouse gases) the steroids of the climate…

CO2 increases to make drunken clownfish

From Nature.com, is there anything trace amounts of CO2 can’t do? As if clownfish (the test subject) don’t already act funny. The New Scientist says: Carbon dioxide in the ocean…

Sense and Sensitivity II – the sequel

By Christopher Monckton of Brenchley Joel Shore, who has been questioning my climate-sensitivity calculations, just as a good skeptic should, has kindly provided at my request a reference to a…

Quote of the Week – Dr. James Hansen of NASA GISS, unhinged

“The Oceans will begin to boil…” – yes he actually said that, along with some other silly things. Watch this video:

Scripps paper: Ocean acidification fears overhyped

Reposted from Jo Nova, who did such a good job I decided there wasn’t any way I could improve on it, except to add the map at right. This needed…

Pheesiks? We don't need no steenkin' pheesiks!

With apologies to The Treasure of the Sierra Madre, here’s a a comment worth repeating from the Hit and Misses thread. Dennis Ray Wingo says: November 26, 2011 at 10:44…

California commits business suicide

A mass exodus of business and jobs out of California will be the likely result of this madness. From the San Franscisco Chronicle:

Edible Carbon Dioxide Sponge

This gives whole new meaning to the term “spongeworthy”. From Northwestern University News: EVANSTON, Ill. — A year ago Northwestern University chemists published their recipe for a new class of…